Answer Posted / rizvi

Plc is a programmble logic control device which has no.of CPU
where as a Distributed Control System

Decibel.

2600

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How to convert milliampares into flow??

1773

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How does a single acting, spring return ball valve actually work? Does it require continuous air supply? 

2193

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What is stripper & spilitter ? Diffrence in this.?

2539

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how to control pid

1970

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Lux meter is the measuring device to measure the lux level of lighting fixture. in industrial sector two types of lighting fixture is being used as street lighting purpose 1. HPSV (Sodium) and 2. HPMV (Mercury). HPMV having white light which is an combination of red, blue and yellow colour, while HPSV haivng Yellow lighting. in HPSV red & blue colour will be absent. during measurement of the lux level of HPSV and HPMV fixture. 1. Lux meter can measure the actual lux level of both fixture? 2. or it will show false reading for HPSV fixture light as it has only yellow light present. please give me answer

4714

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I need to know steps to Calibration Valve Guard......

1528

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1. For Steam drum level signal, why do we compensate with drum pressure signal? 2.For main steam Flow signal is comensated with main steam temperature signal and main steam pressure signal why?

2265

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How oil line flow measured?eplain about instruments used and working principle?

2100

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What is the working principle of the magnetic meter?

1188

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What is the use of temperature compensation?

2072

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In a gas over oil actuator, after the opening/closing of valve, how the gas is vented out? How does the hydraulic/gas circuit function?

1875

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how to calibrate electro pneumatic positioner 8013 mil controls ltd ?gsr

7960

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How can we use feedback signal frm rtd for monitoring and in dcs for controlling ,then which type of rtd is sutaible 2 , 3,4wire and why ?

1672

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how to calculate range of level transmitter?

2387

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